Call: 01392 678082

Established 2004

Ruddlesden geotechnical

Ruddlesden geotechnical provides ground investigation, geotechnical consultancy and contamination assessment services.

Based in Exeter, but covering the whole of the UK, albeit primarily concentrated in the South West, Ruddlesden geotechnical was formed in 2004.

Ruddlesden geotechnical works on behalf of a wide client base, including local, regional and national housing developers, housing associations, commercial developers, building contractors, structural and civil engineers, architects, building consultants, quantity surveyors, local authorities and private individuals.

Development projects range from single dwellings and extensions to large housing estates, multi-storey flats, offices, industrial units, roads, slopes, schools, hospitals and basements.

The services and projects listed on this web-site provide an indication of those undertaken by Ruddlesden geotechnical, but others are carried out. If your requirement is not readily identifiable on this web-site, please contact us as we may still be able to help you.

  • AGS
  • Constructionline
  • CSCS
  • SMAS
  • ECFC trust

Latest news

Recent projects

  • Latest news

    09 Jun 2026

    Mini golf in a Cornish rock garden

    A bit of rain did not dampen the spirits at the Ruddlesden geotechnical golf day this year, when retaining the trophies became the theme of the day.Smashing balls into a field in Cornwall (Trackman driving range) was followed by lunch in the feasting barns, with the main event – mini golf in a Cornish rock garden – in the afternoon. Geoff and Sarah retained their first male and female prizes, Becky put a lot of effort in hanging on to her wooden spoon trophy, and Catherine won the nearest the pin trophy for the first time. As always, there was no winner of the ‘beat-the-boss’ prize, but this year that was only because having the same score does not mean beating!

    Mini golf in a Cornish rock garden
    Mini golf in a Cornish rock garden

  • Recent projects

    UKAS Accredited Testing for Residential Development in Somerset

    Extensive geotechnical and contamination laboratory testing was recently undertaken as part of a ground investigation for proposed residential development site on the outskirts of Weston-super-Mare. In addition to classification (plastic and liquid limits and particle size distribution) tests, quick undrained triaxial and oedometer consolidation tests were carried out to provide information for foundation design. pH and soluble sulphate testing (BRE SD1 suite) was also undertaken to confirm the buried concrete class requirements. A broad range of contamination testing, including asbestos, heavy metals, polyaromatic hydrocarbons (PAH) and total petroleum hydrocarbons (TPH), was undertaken to provide information for human health and controlled waters risk assessments. The testing was UKAS accredited and Ruddlesden geotechnical’s close working relationships with both the laboratories helped ensure the testing results were issued promptly.

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  • Recent projects

    Pre-Purchase Phase 1 Geotechnical Assessment Provides Cost-Effective Information

    Ruddlesden geotechnical were commissioned to undertake a Phase 1 Geotechnical Assessment on behalf of a national housebuilder at an existing golf course in Dorset. Following a review of the desk study information and the consultation of historical maps, geological maps and memoirs, a walkover survey of the site was undertaken. This information allowed a ground model to be produced, which was used to identify the geotechnical risks and current uncertainties with regards to the proposed residential redevelopment of the site. The site was zoned, based on the anticipated ground conditions, and recommendations covering foundations, excavations, surface water drainage and slope stability were provided. The findings of the Phase 1 informed the scope of works for the Phase 2 deotechnical investigation and contamination assessment and ultimately provided the client with an understanding of the development constraints, opportunities and forecasted development costs for the site, prior to committing to the purchase of the site.

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